Cades Reef Sea Temperature

Antigua and Barbuda · Forecast updated Jul 15, 2026, 06:23 UTC · refresh delayed

Current Sea Temperature

28.4°C

83.1°F

Very warm water

Versus this month's average

Close to average

The July average in our archive is 28.5°C (83.2°F).

Recent trend

Holding fairly steady

Seven-day average: 28.5°C, versus 28.4°C in the prior seven days.

What to wear

Very warm water

Swimwear is usually enough; a rash guard adds sun protection.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not mean the sea is safe.

Sea Surface Temperature Over the Year

In the data collected for Cades Reef, monthly averages range from about 28.1°C (82.5°F) in June to 28.5°C (83.2°F) in July.

Over the past 30 days, the average sea temperature in Cades Reef has been 28.3°C.

Month	Min	Average	Max
June	27.7°C / 81.9°F	28.1°C / 82.5°F	28.5°C / 83.3°F
July	28.3°C / 82.9°F	28.5°C / 83.2°F	28.7°C / 83.7°F

Profile calculated from 1071 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.

Long sheltered barrier reef off Antigua's southwest coast with calm shallows.

The current sea surface temperature in Cades Reef is 28.4°C. Over the last 30 days, the average has been 28.3°C.

The warmest monthly average in the Cades Reef archive is July, at around 28.5°C (83.2°F).

The coldest monthly average in the archive is June, at around 28.1°C (82.5°F).

Yes — at 28.4°C the water is warm enough for comfortable swimming and snorkeling.

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Cades Reef.